Ugbam, O. C. “VALIDATION OF A WORK ATTRIBUTE QUESTIONNAIRE FOR PHARMACEUTICAL SALES REPRESENTATIVES DURING COVID-19 IN NIGERIA: A CONFIRMATORY FACTOR ANALYSIS STUDY”. Global Research Journal of Management and Social Sciences (GRJMSS) 14, no. 5 (May 8, 2023): 1–6. Accessed July 1, 2025. https://zapjournals.com/Journals/index.php/grjmss/article/view/526.